GritLock: TPU Insert for Your Sanding Block

Overview

Tired of your sandpaper slipping like it’s got commitment issues? GritLock locks it down—no foam, no fuss, no shifting. This flexible TPU insert drops into your sanding jig and grips like a champ.

No glue, or mess needed but hey, have at it you prefer.

Features:

• Swaps out foam or rubber for a clean, reusable TPU insert
• Easy print: no supports, prints flat

Recommended Print Settings:

• Material: TPU (95A recommended)
• Layer height: 0.2mm
• Orientation: Flat, fuzzy side up

RemixForge is where I put my spin on great designs—mods, upgrades, tweaks, and quality-of-life improvements that turn “almost perfect” into “heck yes.” If you like this, check out the full RemixForge Collection.

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Gizmo Gurus LLC is a Veteran-owned, Kentucky proud USA company